27108

Appears in sequences

• Expansion of a modular function for gamma_0(6).at n=23A006708
• a(n) is the concatenation of n and 4n.at n=26A019552
• Boris Stechkin's function.at n=39A055004
• McKay-Thompson series of class 18B for the Monster group.at n=22A058532
• S[A002808(n)] where S[] is Boris Stechkin's function (A055004) and A002808(n) are the composites.at n=27A063483
• Indices of primes in sequence defined by A(0) = 97, A(n) = 10*A(n-1) - 33 for n > 0.at n=25A101005
• Average of twin prime pairs with multiple and strictly distinct powers.at n=32A177426
• McKay-Thompson series of class 18B for the Monster group with a(0) = 2.at n=22A215407
• McKay-Thompson series of class 18B for the Monster group with a(0) = 5.at n=22A215660
• T(n,k)=Number of nXk 0..1 arrays with no 1 equal to more than one of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly two elements.at n=46A283634
• Number of 2 X n 0..1 arrays with no 1 equal to more than one of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly two elements.at n=8A283635
• Numbers m > 0 that have a divisor d > 1 with binomial(m+d, d) == 1 mod m.at n=45A290040
• First index k where A366574(k) = n.at n=27A366724